19270305

素因数分解:

$3^4\times 5^1\times {\mathrm{47581}}^1$

素因数の和:47598

約数の個数: 20

約数和(自身を含む): 34544532

約数和(自身を除く): 15274227

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 47581, 142743, 237905, 428229, 713715, 1284687, 2141145, 3854061, 6423435, 19270305]

約数ペア:

[(1, 19270305), (3, 6423435), (5, 3854061), (9, 2141145), (15, 1284687), (27, 713715), (45, 428229), (81, 237905), (135, 142743), (405, 47581)]